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3 years ago

7

Please help me to find area of semicircle

1 answer:

mojhsa [17]3 years ago

5 0

Answer:

Use a calculator and use the formula 1/2 × pi × (radius squared)

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B is an answer.

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3 years ago

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Evgesh-ka [11]

Solution given:

$\sin( \alpha ) = \frac{\sqrt{5} }{3}$

so

P=√5

h=3

b= $\sqrt{3 {}^{2} - \sqrt{5} {}^{2} }$

b=2

so

$\cos( \alpha ) = \frac{b}{h} = \frac{2}{3}$

Note

$\alpha = 0$

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2 years ago

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chubhunter [2.5K]

Answer:

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Step-by-step explanation:

$90 / 18 cars = $5 per car

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That means the rate of change is 5 (5/1)

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3 years ago

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Vilka [71]

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Answer:I'm 80% sure it is c?!?!

Step-by-step explanation:

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